OpenTechnical

OT-2026-000015048

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000015048) never changes.

Identity and time

Publication numberOT-2026-000015048 · never reused
Internal UUID01a0ae6d-d096-7181-afba-a4d4eda79384 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015048
StatusPUBLIC

Content hashes

Canonical textc1a1d0a76a980aa85f3d254c8051821668aa682dbf842621d58d74fc43079356
Markdown2b26cbd36a769ae07864e450b053490103d58765058db7d8b1ddf65cc9894bc8
PDF
Publication page0273de781f800483c8cf775ef1f91d34f2e1d440c64acd1c5b26bbcb86ca1312
Manifest41d3877173235dd7c65835ffc6c8d1492c06b88d07fc094ee738903f22d562b3

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturet7oOVDFrMcz18ffhJhUx9WAe0CDMiFrSegTtp1Sz5cnk5gKnZm8CWm5WwJyA/fhI/L4NHY1Bh9Ckzjv78NkUDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:07:01.974218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015048
observed 0273de781f800483c8cf775ef1f91d34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:01.954779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015048/manifest.json
observed 41d3877173235dd7c65835ffc6c8d149...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:01.936725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015048/publication.md
observed 2b26cbd36a769ae07864e450b0534901...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:01.918554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015048/publication.txt
observed c1a1d0a76a980aa85f3d254c80518216...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.